Mitochondria (OCR A-Level Biology A): Flashcards
📚Flashcards
Practise the cards
10 cards from this deck
ShowHide
Practise the cards
10 cards from this deck
Mitochondria definition
Mitochondria definition
Membrane-bound organelles in eukaryotic cell cytoplasm
Typical mitochondria length range
Typical mitochondria length range
2-5 μm
Mitochondria number correlation
Mitochondria number correlation
Correlates with metabolic demand of the cell
Mitochondrial envelope composition
Mitochondrial envelope composition
Two separate phospholipid membrane layers
Cristae definition
Cristae definition
Folds of the inner mitochondrial membrane
Cristae function
Cristae function
Increase surface area for electron carriers & ATP synthase
Intermembrane space function
Intermembrane space function
Maintains proton gradient for ATP synthesis
Mitochondrial DNA structure
Mitochondrial DNA structure
Circular, double-stranded DNA loop
Ribosome type in mitochondria
Ribosome type in mitochondria
70S ribosomes
Endosymbiosis theory
Endosymbiosis theory
Mitochondria evolved from free-living bacteria